Zhongmei brand Mining flameproof vacuum feed switch

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Qingdao
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Min Order Qty:
100 unit
Supply Capability:
5000 unit/month

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Product Description:

Mining flameproof vacuum feed switch

Mining flameproof vacuum feed switch is applicable to coal mine and other surrounding media contained in the environment of explosive gas (methane),in ac 50 hz, voltage 1140 v circuit, as a branch of power supply system of the master switch, switch, or as a mining flameproof mobile substation with feeding switch, also can be used as the large capacity motor not frequent starting, overload, short circuit, undervoltage, electric leakage protection function.

Product Detail:

Mining flameproof vacuum feed switch application scope and use:

Mining flameproof vacuum feed switch is applicable to coal mine and other surrounding media contained in the environment of explosive gas (methane),in ac 50 hz, voltage 1140 v circuit, as a branch of power supply system of the master switch, switch, or as a mining flameproof mobile substation with feeding switch, also can be used as the large capacity motor not frequent starting, overload, short circuit, undervoltage, electric leakage protection function.

Mining flameproof vacuum feed switch main technical parameters:

1. Rated voltage : 660V/1140V

2. Rated current : 630A 500A 400A

3. Power frequency : 50HZ

4. Working system:continuous duty

5. Control operating voltage : 48V ~ 127V

6. Dimension : 508*780*854

7. Weight : 300kg

8. Ultimate breaking capacity : 12.5KA(630 switch) 9KA (400,500switch)

9. Electrical life : 3000 time

10. Mechanical life : 10000 time

Mining flameproof vacuum feed switch product features:

1. Can be used as main switch or branch switch of power supply system, or as a mining flameproof mobile substation with feeding switch, also can be used to control the large capacity motor which not frequent starting.

2. Strong breaking capacity, fast analysis. Limit of breaking capacity of 12.5 KA, breaking time < 0.15 S ( from leakage action signalsreceived to finished ); 

3. Simple electrical principle, with protection and display function.

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